1use std::path::Path;
2
3use crate::{
4 common::{
5 parse_codepoint_association, CodepointIter, Codepoints, UcdFile,
6 UcdFileByCodepoint,
7 },
8 error::Error,
9};
10
11/// A single row in the `Scripts.txt` file.
12#[derive(Clone, Debug, Default, Eq, PartialEq)]
13pub struct Script {
14 /// The codepoint or codepoint range for this entry.
15 pub codepoints: Codepoints,
16 /// The script name assigned to the codepoints in this entry.
17 pub script: String,
18}
19
20impl UcdFile for Script {
21 fn relative_file_path() -> &'static Path {
22 Path::new("Scripts.txt")
23 }
24}
25
26impl UcdFileByCodepoint for Script {
27 fn codepoints(&self) -> CodepointIter {
28 self.codepoints.into_iter()
29 }
30}
31
32impl std::str::FromStr for Script {
33 type Err = Error;
34
35 fn from_str(line: &str) -> Result<Script, Error> {
36 let (codepoints: Codepoints, script: &str) = parse_codepoint_association(line)?;
37 Ok(Script { codepoints, script: script.to_string() })
38 }
39}
40
41#[cfg(test)]
42mod tests {
43 use super::Script;
44
45 #[test]
46 fn parse_single() {
47 let line = "10A7F ; Old_South_Arabian # Po OLD SOUTH ARABIAN NUMERIC INDICATOR\n";
48 let row: Script = line.parse().unwrap();
49 assert_eq!(row.codepoints, 0x10A7F);
50 assert_eq!(row.script, "Old_South_Arabian");
51 }
52
53 #[test]
54 fn parse_range() {
55 let line = "1200..1248 ; Ethiopic # Lo [73] ETHIOPIC SYLLABLE HA..ETHIOPIC SYLLABLE QWA\n";
56 let row: Script = line.parse().unwrap();
57 assert_eq!(row.codepoints, (0x1200, 0x1248));
58 assert_eq!(row.script, "Ethiopic");
59 }
60}
61